Realmac Software, brains behind apps like Clear, LittleSnapper, and RapidWeaver, is having a big holiday sale right now. You can grab all their Mac apps for up to 65% off and Clear, the awesome to-do app, for 99¢ on the iPhone.

Courier, a handy little utility that lets you share files, images, movies, and other files right to a bunch of services at once, like Flickr, Facebook, YouTube, Vimeo, FTP, Amazon S3, and others. It's on sale for $6.99, 65% off its usual price of $10.

Analog, which is an photo filter app for your Mac that can easily share your photos to a bunch of services (not unlike Instagram on the iPhone). It's on sale for $6.99, down from $10.